19977990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11287}}^1$

素因数の和:11356

約数の個数: 32

約数和(自身を含む): 48764160

約数和(自身を除く): 28786170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 11287, 22574, 33861, 56435, 67722, 112870, 169305, 338610, 665933, 1331866, 1997799, 3329665, 3995598, 6659330, 9988995, 19977990]

約数ペア:

[(1, 19977990), (2, 9988995), (3, 6659330), (5, 3995598), (6, 3329665), (10, 1997799), (15, 1331866), (30, 665933), (59, 338610), (118, 169305), (177, 112870), (295, 67722), (354, 56435), (590, 33861), (885, 22574), (1770, 11287)]